A kind of pond automatic vacuum rinses Accrete clearing device and method
Technical field
The present invention relates to a kind of hydrotechnics equipment, especially relate to a kind of pond automatic vacuum and rinse Accrete clearing device and method.
Background technology
After city point-source pollution is effectively controlled, surface water environment quality improves.But the difficulty that water quality is further improved increases, especially the interim contamination phenomenon of river water quality in flood season is serious, trace it to its cause, and be mainly that early-stage rainwater is seriously polluted, this is also that Present Domestic perplexs the lasting one of the main reasons of improving of urban surface water quality outward.Rainwater storage pond is an engineering measure that effective control early-stage rainwater pollutes, and in Germany, the U.S., Japan and other countries, uses for many years.In recent ten years, the ground such as domestic Shanghai, Beijing, Kunming, Wuhan, Nanjing also start design, build, operation rainwater storage pond.End 2013,11 rainwater storage ponds of built use, Shanghai.
Because the glassware for drinking water of regulating and storing in rainwater storage pond has the high and organic contamination substrate concentration high of suspended particulate matter concentration, this sewage was trapped in pond after a few hours, water pollutant impurity can deposit, therefore after the emptying of rainwater storage pond, the certain thickness mud of storage pond bottom meeting alluvial, not only takies pond body bulk, and gives an offensive smell, for eliminating above-mentioned impact, after the emptying of rainwater storage pond, need in time the deposit at the bottom of pond is effectively rinsed and removed.At present, the conventional flushing dredging method in rainwater storage pond have that submersible agitator stir to rinse, waterpower tipping bucket rinses, continuous channel rinses and gate-type from rinsing etc.Existing above-mentioned technology existence flush efficiency is in various degree low, equipment also damages, and energy consumption is high and high cost is not enough.
The Chinese patent that for example application number is 201210123052.9 discloses a kind of collecting well desilting system and desilting mode thereof, the technical scheme of this invention is: collecting well desilting system, installing drainage in collecting well, this collecting well is buried underground containing sand current manifold trunk near lower region, bottom, it is characterized in that: collecting well base plate arranges certain gradient, collecting well top, corresponding base plate lowest part are installed grab type Accrete clearing device; Collecting well bottom arranges silt density and Sediment Siltation altitude measurement system and silt and collects high-pressure washing system.The present invention is applicable to water power and hydraulic engineering, be particularly useful for the cleaning of the collecting well bottom deposit in underground workshop, dam body and cushion pool, and the cleaning of the collecting well of water pump station bottom deposit, be equally also applicable to the water intaking pond of each diversion works and the regions such as sedimentation basin of Wastewater Treatment Plant.Yet flushing of the present invention need realize by high pressure flushing system, so, the one, the price of high-tension apparatus own is high, the 2nd, for needs cable laying, the Insulation Problems of cable has also strengthened unintentionally construction cost, for the required precision of engineering, has also increased undoubtedly.
Therefore, the science and technology of this area research and development and engineers and technicians be devoted to develop a kind of simple in structure, achieve noticeable achievement, move convenient and cheap pond automatic vacuum flushing Accrete clearing device and method.
Summary of the invention
Object of the present invention is exactly to provide a kind of pond automatic vacuum to rinse Accrete clearing device in order to overcome the defect of above-mentioned prior art existence.
Object of the present invention can be achieved through the following technical solutions:
A kind of pond automatic vacuum rinses Accrete clearing device, this device is for the flushing desilting to pond, described device comprises vacuum pump, vacuum diaphragm valve, developing room and siphon unit, and described developing room is connected with pond by siphon unit, and described developing room is connected with vacuum pump by vacuum diaphragm valve;
The water that described vacuum pump, vacuum diaphragm valve are controlled in pond enters developing room and reaches after setting height, close remaining water in vacuum diaphragm valve emptying pond, described siphon unit stops the flushing water in developing room to enter pond, open vacuum diaphragm valve, the flushing water in developing room enters pond and takes away the mud in pond.
Described siphon unit comprises obstruct valve, and described obstruct valve is located on the passage of siphon unit.
Described device also comprises automatic control unit and alternate source, described automatic control unit is connected with vacuum pump, vacuum diaphragm valve and obstruct valve, described developing room is connected with described alternate source, described automatic control unit is controlled the opening and closing of vacuum pump, vacuum diaphragm valve and obstruct valve, when described alternate source does not have water in pond for described developing room provides flushing water.
Described vacuum pump is controlled the vacuum of described developing room.
Described automatic control unit is connected with remote control center, and described remote control center can be controlled by described automatic control unit the opening and closing of vacuum pump, vacuum diaphragm valve and obstruct valve.
Described setting height is less than 7 meters.
Realize the flushing dredging method that pond automatic vacuum rinses Accrete clearing device, it is characterized in that, the method comprises that tank water is cleaned and standby water cleans two kinds of patterns,
Described tank water cleaning model comprises the following steps:
101) in pond, hold after full water, described vacuum diaphragm valve is opened, and the water in pond enters developing room;
102) described vacuum diaphragm valve is closed;
103) remaining water in emptying pond, during described siphon unit keep the flushing water invariant position of developing room;
104) described vacuum diaphragm valve is opened, large quantity of air enters described developing room, and described developing room vacuum declines, and the siphonage of described siphon unit is destroyed, cause the flushing water of described developing room to pour fast described basin bottom, erosion and deposition is cleaned in pond.
Described standby water cleaning model comprises the following steps:
201) described vacuum pump and vacuum diaphragm valve are opened, described obstruct valve closing;
202) until described alternate source, be that developing room holds after full water, described vacuum pump and vacuum diaphragm valve are closed;
203) described obstruct valve opening;
204) described vacuum diaphragm valve is opened, large quantity of air enters described developing room, and described developing room vacuum declines, and the siphonage of described siphon unit is destroyed, cause the flushing water of described developing room to pour fast described basin bottom, erosion and deposition is cleaned in pond.
Described step 101) comprise sub-step:
1011) described vacuum diaphragm valve is opened, and the water in pond enters developing room;
1012) judge whether developing room middle water level reaches setting value, if yes, perform step 102), if NO, perform step 1013);
1013) described vacuum pump is opened, and the water in pond further enters developing room.
Compared with prior art, the present invention has the following advantages:
1) the basin bottom gradient is applied widely, and pond, pond type is applied widely, has saved construction space, engineering quantity and capital construction cost, system is easy to safeguard, improve operating personnel's health and safety, utilized the potential energy of flushing water to be converted into kinetic energy, lower than direct pressurized water flushing energy consumption.
2) while using alternate source to clean the in the situation that obstruct valve can having water in pond, developing room retaining is used.
3) adopted automatic control unit, can programme to it, to rinse desilting process full-automatic, without additional energy source consumption, reduced running cost, system automation is controlled, overall process information system management, regular maintenance only needs described vacuum pump and described vacuum diaphragm valve to safeguard, operation stability is high, daily management easy to implement.
4) controlled vacuum, can accomplish to allow developing room middle water level higher than pond middle water level on the one hand, thereby allow, to rinse water level in flushing tank up to standard, on the other hand also can be in empty pond, side in water, by intercepting valve, can not keep water in developing room not run off yet, simultaneously low with respect to the mode energy consumption of directly water being raised.
5) remote center can the whole flushing process of remote control.
6) developing room middle water level height is less than 7 meters, enough desiltings of potential energy that the water level of 7 meters produces on the one hand, and the energy consumption that more than 7 meters water levels causes is on the other hand too high.
7) flushing water derives from the water in pond, has saved water resource.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the empty pool mode schematic diagram in embodiment;
Fig. 3 is the water inlet pattern diagram in embodiment;
Fig. 4 is the non-full pool mode schematic diagram in embodiment;
Fig. 5 is the full pool mode schematic diagram in embodiment;
Fig. 6 is the emptying pattern diagram in embodiment;
Fig. 7 is the vacuum rinse mode schematic diagram in embodiment;
Wherein 1, automatic control unit, 2, vacuum pump, 3, vacuum diaphragm valve, 4, developing room peak level, 5, developing room, 6, siphon unit; 7, sludge blanket lower limit, 8, sludge-tank, 9, alternate source, 10, the sludge blanket upper limit, 11, rainwater storage pond, 12, rainwater storage pool water level, 13, rainwater storage pond bottom sludge, 14, rinse current.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.The present embodiment be take technical solution of the present invention and is implemented as prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Be illustrated in figure 1 one embodiment of the present of invention, a kind of pond automatic vacuum rinses Accrete clearing device, this device is for the flushing desilting to rainwater storage pond 11, this device comprises vacuum pump 2, vacuum diaphragm valve 3, developing room 5 and siphon unit 6, developing room 5 is connected with rainwater storage pond by siphon unit 6, and developing room 5 tops are connected with vacuum pump 2 by vacuum diaphragm valve 3;
The water that vacuum pump 2, vacuum diaphragm valve 3 are controlled in rainwater storage pond enters developing room 5 and reaches after setting height, close remaining water in vacuum diaphragm valve 3 emptying rainwater storage pond, siphon unit 6 stops the flushing water in developing room 5 to enter rainwater storage pond, open vacuum diaphragm valve 3, the flushing water in developing room 5 enters rainwater storage pond and takes away the mud in rainwater storage pond.
The parameter model of its intermediate pump 2 and vacuum diaphragm valve 3 is determined according to the design parameter in rainwater storage pond.
Wherein the installing space size of vacuum diaphragm valve 3 is not less than 700mm * 900mm, and is not less than 250mm apart from the spacing of periphery structure.
Siphon unit 6 comprises obstruct valve 61, and described obstruct valve 61 is located on the passage of siphon unit 6.
Device also comprises automatic control unit 1 and alternate source 9, automatic control unit 1 is connected with vacuum pump 2, vacuum diaphragm valve 3 and obstruct valve 61, developing room is connected with alternate source 9, automatic control unit 1 is controlled vacuum pump 2, vacuum diaphragm valve 3 and is intercepted the opening and closing of valve 61, when alternate source 9 does not have water in rainwater storage pond for developing room 5 provides flushing water.
Vacuum pump 2 is controlled the vacuum of developing room 5.
Automatic control unit 1 is connected with remote control center, and remote control center can be controlled by automatic control unit 1 opening and closing of vacuum pump 2, vacuum diaphragm valve 3 and obstruct valve 61.
Developing room 5 water level settings height are less than 7 meters, specifically according to the first-class parametric synthesis of the length of rainwater storage pond 11 bottom gallerys, width, gradient and flushing water, determine, wherein the width of developing room 5 is not less than 800mm, is convenient to maintenance personal if desired and enters.
The pond automatic vacuum that pond described above automatic vacuum rinses Accrete clearing device rinses a dredging method, and the method comprises that tank water is cleaned and standby water cleans two kinds of patterns,
Tank water cleaning model comprises the following steps:
101) in rainwater storage pond, hold after full water, automatic control unit 1 is opened vacuum diaphragm valve 3, and the water in rainwater storage pond enters developing room 5;
102) automatic control unit 1 is closed vacuum diaphragm valve 3;
103) remaining water in emptying rainwater storage pond, during siphon unit 6 keep the flushing water invariant position of developing rooms 5;
104) automatic control unit 1 is opened vacuum diaphragm valve 3;
105) large quantity of air enters developing room 5, and developing room 5 vacuums decline, and the siphonage of siphon unit 6 is destroyed, causes the flushing water of developing room 5 to pour fast bottom, rainwater storage pond, and erosion and deposition is cleaned in rainwater storage pond.
Standby water cleaning model comprises the following steps:
201) automatic control unit 1 is opened vacuum pump 2 and vacuum diaphragm valve 3, and closes obstruct valve 61;
202) until alternate source 9, for developing room 5, hold after full water, automatic control unit 1 is closed vacuum pump 2 and vacuum diaphragm valve 3;
203) automatic control unit 1 is opened and is intercepted after valve 61, then opens vacuum diaphragm valve 3;
204) large quantity of air enters developing room 5, and developing room 5 vacuums decline, and the siphonage of siphon unit 6 is destroyed, causes the flushing water of developing room 5 to pour fast bottom, rainwater storage pond, and erosion and deposition is cleaned in rainwater storage pond.
Step 101) comprise sub-step:
1011) automatic control unit 1 is opened vacuum diaphragm valve 3, and the water in rainwater storage pond enters developing room 5;
1012) judge that whether developing room 5 middle water levels reach setting value, if yes, perform step 102), if NO, perform step 1013)
1013) automatic control unit 1 is opened vacuum pump, and the water in rainwater storage pond further enters developing room 5.
As shown in Figure 2 to 7, under rainfall pattern, the automatic vacuum in rainwater storage pond rinses the running of desilting system.
As shown in Figure 2, before rainfall, 11Wei Kong pond, rainwater storage pond state.
As shown in Figure 3, after rainfall starts, automatic control unit 1 is controlled vacuum diaphragm valve 3 and is opened, and sewage enters in rainwater storage pond 11 by collection conduit, and rainwater storage pool water level 12 and developing room 5 water levels rise simultaneously, and maintains and flush.
As shown in Figure 4, rainfall continues, and rainwater storage pool water level 12 and developing room 5 water levels continue to rise, and rainwater storage pond 11 is held full, and developing room 5 water levels reach after developing room peak level 4, and automatic control unit 1 controls vacuum pump 2 and vacuum diaphragm valve is closed condition.
As shown in Figure 5, after rainfall stops, rainwater storage pond 11 is not held full, automatic control unit 1 is controlled vacuum pump 2 and is opened, the interior sewage in rainwater storage pond 11 enters developing room 5 by negative pressure of vacuum, in developing room, water level reaches developing room peak level 4, and automatic control unit 1 is closed vacuum pump 2 and vacuum diaphragm valve automatically.
As shown in Figure 6, rainwater storage pond 11 starts before emptying, and it is closed condition that automatic control unit 1 is controlled vacuum diaphragm valve, rainwater storage pond 11 emptying afterwards, and mud 13 is deposited on 11 bottoms, rainwater storage pond.Developing room 5 is because of top vacuum state, and the design feature of siphon unit 6, forms siphon, and the flushing water level in developing room 5 keeps peak level 4 constant.
As shown in Figure 7, after 11 emptying of rainwater storage pond, automatic control unit 1 is controlled vacuum diaphragm valve 3 and is opened, large quantity of air enters developing room 5, developing room 5 vacuums decline, the siphonage of siphon unit 6 is destroyed, causes the flushing water of developing room 5 to pour fast 11 bottoms, rainwater storage pond by developing room 5 foot passages, and erosion and deposition is cleaned in rainwater storage pond 11.Rainwater storage pond 11 is cleaned the mud 13 and the flushing water 14 that rush after desilting and is entered sludge-tank 8, by row of conduits, enters municipal drainage pipeline networks.